Heidelbach, R. (1968). Annotated bibliography on laboratory experiences and related activities in the professional education of teachers, July 1966-June 1967. Association for Student Teaching.
芝加哥风格引文Heidelbach, Ruth. Annotated Bibliography on Laboratory Experiences and Related Activities in the Professional Education of Teachers, July 1966-June 1967. Washington: Association for Student Teaching, 1968.
MLA引文Heidelbach, Ruth. Annotated Bibliography on Laboratory Experiences and Related Activities in the Professional Education of Teachers, July 1966-June 1967. Association for Student Teaching, 1968.
警告：这些引文格式不一定是100％准确.